Subconscious Security: Our Next Big Life Investment?

Have you seen the hit summer movie, Inception, yet? If not, I recommend you to, because it’s mind bottling (Yeah, Anchorman’s Ron Burgundy would approve). Either way though, seen it or not, the movie tweaked my curiosity about the ever-growing interaction between technology and our brains, our minds.

In the movie, Leonardo DiCaprio’s character, Cobb, is on a mission to plant an idea into another character’s mind in order to safely, legally, go home to his kids.

Cobb and his colleagues use a PASIV (Portable Automated Somnacin IntraVenous) device to access the target’s mind while he is sleeping on an airplane.

Unfortunately for Cobb’s team, the target’s mind has what Cobb calls “subconscious security,” trained mental “projections” set up in his mind to protect it from intruders. To implant the idea, they have to find a way around this security, but how? Will they make it? The movie’s a must-see – watch and find out!

So, how is this far-off movie-world of inception, dream-sharing, and mind-reading relevant, or worthy of discussion at present?

Well, haven’t fMRI results been cluing us in on some of our emotions, conscious or not? In my last post, I discussed how one’s level of empathy correlates with the activity of the ACC (anterior cingulate cortex) as recorded by an fMRI. Whether lab volunteers knew it or not, they (their brains, really) reacted more actively to the pain of those similar to them.

And now, with the rapid succession of advancements in brain-imaging technology, mind-reading and even dream-recording does not seem so unrealistic. “Subconscious security” might actually come in handy if our privacy becomes too vulnerable.

Recent articles (one and two) discuss how researchers at Northwestern University have discovered technology that can be used to “get inside the mind of a terrorist.” In their experiment, they created a mock terror-attack plan with details known and memorized only by some lab participants. The researchers found a correlation between the participants’ P300 brain waves and their guilty knowledge with “100 percent accuracy,” as J.P. Rosenfeld says.

Measuring the waves using electrodes attached to the participants’ scalps, they were able to determine whether they had prior knowledge of, or strong familiarity with, certain dates, places, times, etc.

While TIME writer Eben Harrell notes the threat this type of experiment has on privacy and its clear limitations (“confounding factors” such as familiarity, not because of guilty knowledge but of fond memories, i.e. a hometown), he also notes that interrogations can be more detrimental than these experiments. Accuracy can be improved upon simply by presenting more details to participants.

In her 2008 article, Celeste Biever tells readers how scientists, particularly Yukiyasi Kamitani and his colleagues, have come to analyze brain scans and reconstruct images the lab volunteers had seen in their mind. The scientists believe their work has potential to improve reconstructions to finer focus and even color.

John-Dylan Haynes of the Max Planck Institute in Germany, referred to in Biever’s article, says that the “next step is to find out if it is possible to image things that people are thinking of.” He even considers the possibility of making “a videotape of a dream” in the near future.

However, as Berns points out in an August 2010 article written by Graham Lawton and Clare Wilson, ethical issues would likely be raised if this brain-imaging technology begins to bind too intimately with advertising and marketing companies. People would probably feel uncomfortable if advertising becomes too knowledgeable of the workings of their minds, perhaps even enticing them to buy things they “don’t want, don’t need, and can’t afford.”

For now though, the advertising approaches using this technology seem innocent enough. With EEG machines, advertisers can determine which designs, words, or advertisements receive certain patterns of brain activity – in other words, receive the most attention from potential buyers.

Not only have EEG machines been used by advertisers, but also by sales companies – for both purposes inspiring and not so inspiring. Starting with the latter, some companies (i.e., Mattel, Emotiv) have sold cheap EEG devices to “mainstream consumers,” particularly gamers. One Californian company, NeuroSky, has built an emotion-detecting device, determining, per se, whether one is relaxed or anxious.

While not completely necessary or inspiring, devices like these are fascinating. I’d like to see what some device thinks I’m feeling, and how accurate it is.

Fortunately, there are inspiring purposes for these EEG devices. As discussed by Tom Simonite in his April 2009 article, those with disabilities or paralysis can use the devices to help control wheel chairs and even type on a computer. One engineer, Adam Wilson, even updated his Twitter using one of these systems (BCI2000): “USING EEG TO SEND TWEET.”

Not only can EEG devices help those with disabilities or paralysis, but prosthetic limbs can also. Professors at the Friedrich Schiller University of Jena, Weiss and Hofmann, discuss in their article that one of their systems allows the brain to “pick up…feedback from the prosthesis as if it was one’s own hand,” easing phantom pain.

DARPA (Defense Advanced Research Projects Agency) has allowed prostheses to advance even more than this, aspiring to bring back to wearers the experience of touch. They awarded The Johns Hopkins University Applied Physics Laboratory (APL) over $30 million to “manage and test the Modular Prosthetic Limb (MPL),” which would use a “brain-controlled interface” to perform desired actions.

Despite the hurdles along the way (as noted by Andew Nusca in his blog), the lab has released a final design, as described in a reprinted online article. It offers an amazing 22 degrees of motion, weighs the average nine-pound weight of a natural limb and responds to the wearer’s thoughts.

While the blooming relationship between technology and the brain has raised ethical questions about privacy and its use, it has also brought hope and awe to people. Maybe, with the seeming innocence of neuro-marketing thus far and the hope inspired by research and development, we won’t need to turn to “subconscious security” just yet.

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